81780874

素因数分解:

$2^1\times 7^1\times {\mathrm{2029}}^1\times {\mathrm{2879}}^1$

素因数の和:4917

約数の個数: 16

約数和(自身を含む): 140313600

約数和(自身を除く): 58532726

約数列:

[1, 2, 7, 14, 2029, 2879, 4058, 5758, 14203, 20153, 28406, 40306, 5841491, 11682982, 40890437, 81780874]

約数ペア:

[(1, 81780874), (2, 40890437), (7, 11682982), (14, 5841491), (2029, 40306), (2879, 28406), (4058, 20153), (5758, 14203)]